History for ns1.cac.edu.tw
Domain: cac.edu.tw • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.cac.edu.tw
ns1.cac.edu.tw is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.
The selected UTC date is 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 1453 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.
- Use this report to investigate historical DNS uptime and nameserver reliability.
- Compare DNS latency changes, failed DNS checks, and response behavior over time.
- Review the latest resolved IP address and raw DNS check history for ns1.cac.edu.tw.
Records on Selected Date
70
Historical checks stored for this nameserver on selected date
Average Latency
1453 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 23:06
All timestamps shown in UTC
Latest Resolved IP on Selected Date
140.123.1.15
Most recently resolved hosting IP on selected date
Successful Responses
70
Checks that returned a measurable response
Failed Responses
0
Checks with no response or no returned latency
Failure Rate
0%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns1.cac.edu.tw
Showing DNS history for 2026-08-26 UTC. Newest records appear first.
Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.
| # | Query Time (UTC) | Correlation ID | Latency | Response | IP Address |
|---|---|---|---|---|---|
| 70 | 2026-08-26 23:06 | 639233814527872887 |
|
795 ms | 140.123.1.15 |
| 69 | 2026-08-26 22:49 | 639233804315489381 |
|
820 ms | 140.123.1.15 |
| 68 | 2026-08-26 22:32 | 639233793971346256 |
|
802 ms | 140.123.1.15 |
| 67 | 2026-08-26 22:15 | 639233783644630463 |
|
770 ms | 140.123.1.15 |
| 66 | 2026-08-26 21:58 | 639233773302621314 |
|
2427 ms | 140.123.1.15 |
| 65 | 2026-08-26 21:40 | 639233762896723748 |
|
1184 ms | 140.123.1.15 |
| 64 | 2026-08-26 21:23 | 639233752543876329 |
|
1574 ms | 140.123.1.15 |
| 63 | 2026-08-26 21:06 | 639233742155931788 |
|
2548 ms | 140.123.1.15 |
| 62 | 2026-08-26 20:48 | 639233731712555311 |
|
1588 ms | 140.123.1.15 |
| 61 | 2026-08-26 20:31 | 639233721164051126 |
|
3555 ms | 140.123.1.15 |
| 60 | 2026-08-26 20:13 | 639233710560486320 |
|
2435 ms | 140.123.1.15 |
| 59 | 2026-08-26 19:56 | 639233699834667450 |
|
826 ms | 140.123.1.15 |
| 58 | 2026-08-26 19:01 | 639233667209186136 |
|
772 ms | 140.123.1.15 |
| 57 | 2026-08-26 18:44 | 639233656814316266 |
|
2419 ms | 140.123.1.15 |
| 56 | 2026-08-26 18:26 | 639233646245051806 |
|
969 ms | 140.123.1.15 |
| 55 | 2026-08-26 18:09 | 639233635663779051 |
|
2285 ms | 140.123.1.15 |
| 54 | 2026-08-26 17:51 | 639233624977342122 |
|
1575 ms | 140.123.1.15 |
| 53 | 2026-08-26 17:33 | 639233614446136153 |
|
821 ms | 140.123.1.15 |
| 52 | 2026-08-26 17:15 | 639233603737877581 |
|
923 ms | 140.123.1.15 |
| 51 | 2026-08-26 16:58 | 639233593269224651 |
|
755 ms | 140.123.1.15 |
| 50 | 2026-08-26 16:40 | 639233582635086903 |
|
2009 ms | 140.123.1.15 |
| 49 | 2026-08-26 16:22 | 639233572000374575 |
|
2457 ms | 140.123.1.15 |
| 48 | 2026-08-26 16:05 | 639233561188633861 |
|
973 ms | 140.123.1.15 |
| 47 | 2026-08-26 15:47 | 639233550544357027 |
|
2478 ms | 140.123.1.15 |
| 46 | 2026-08-26 14:52 | 639233517966053117 |
|
5 ms | 140.123.1.15 |
| 45 | 2026-08-26 14:35 | 639233507603253585 |
|
2293 ms | 140.123.1.15 |
| 44 | 2026-08-26 14:17 | 639233497229039167 |
|
4295 ms | 140.123.1.15 |
| 43 | 2026-08-26 14:00 | 639233486864546406 |
|
921 ms | 140.123.1.15 |
| 42 | 2026-08-26 13:43 | 639233476455174682 |
|
823 ms | 140.123.1.15 |
| 41 | 2026-08-26 13:25 | 639233466171592605 |
|
4 ms | 140.123.1.15 |
| 40 | 2026-08-26 13:08 | 639233455747096265 |
|
2502 ms | 140.123.1.15 |
| 39 | 2026-08-26 12:51 | 639233445367152284 |
|
934 ms | 140.123.1.15 |
| 38 | 2026-08-26 12:34 | 639233434974187439 |
|
2405 ms | 140.123.1.15 |
| 37 | 2026-08-26 12:16 | 639233424567558554 |
|
2278 ms | 140.123.1.15 |
| 36 | 2026-08-26 11:59 | 639233414056832719 |
|
2497 ms | 140.123.1.15 |
| 35 | 2026-08-26 11:41 | 639233403515141099 |
|
938 ms | 140.123.1.15 |
| 34 | 2026-08-26 10:47 | 639233370841350248 |
|
857 ms | 140.123.1.15 |
| 33 | 2026-08-26 10:29 | 639233360361507238 |
|
1464 ms | 140.123.1.15 |
| 32 | 2026-08-26 10:12 | 639233350067824371 |
|
2497 ms | 140.123.1.15 |
| 31 | 2026-08-26 09:55 | 639233339545274518 |
|
1490 ms | 140.123.1.15 |
| 30 | 2026-08-26 09:37 | 639233329214918079 |
|
793 ms | 140.123.1.15 |
| 29 | 2026-08-26 09:20 | 639233318749762337 |
|
2420 ms | 140.123.1.15 |
| 28 | 2026-08-26 09:03 | 639233308387917838 |
|
1489 ms | 140.123.1.15 |
| 27 | 2026-08-26 08:45 | 639233297961740122 |
|
890 ms | 140.123.1.15 |
| 26 | 2026-08-26 08:28 | 639233287487159094 |
|
1964 ms | 140.123.1.15 |
| 25 | 2026-08-26 08:11 | 639233276995531707 |
|
821 ms | 140.123.1.15 |
| 24 | 2026-08-26 07:53 | 639233266521568229 |
|
831 ms | 140.123.1.15 |
| 23 | 2026-08-26 07:36 | 639233256081047431 |
|
781 ms | 140.123.1.15 |
| 22 | 2026-08-26 06:41 | 639233223620132921 |
|
1191 ms | 140.123.1.15 |
| 21 | 2026-08-26 06:24 | 639233213287814244 |
|
881 ms | 140.123.1.15 |
| 20 | 2026-08-26 06:07 | 639233202925983161 |
|
893 ms | 140.123.1.15 |
| 19 | 2026-08-26 05:50 | 639233192644780696 |
|
1188 ms | 140.123.1.15 |
| 18 | 2026-08-26 05:32 | 639233182401183833 |
|
820 ms | 140.123.1.15 |
| 17 | 2026-08-26 05:15 | 639233172074181051 |
|
789 ms | 140.123.1.15 |
| 16 | 2026-08-26 04:58 | 639233161808421455 |
|
2542 ms | 140.123.1.15 |
| 15 | 2026-08-26 04:41 | 639233151357344052 |
|
805 ms | 140.123.1.15 |
| 14 | 2026-08-26 04:24 | 639233141034116946 |
|
788 ms | 140.123.1.15 |
| 13 | 2026-08-26 04:06 | 639233130828334142 |
|
787 ms | 140.123.1.15 |
| 12 | 2026-08-26 03:49 | 639233120373450007 |
|
829 ms | 140.123.1.15 |
| 11 | 2026-08-26 03:32 | 639233110066216193 |
|
2527 ms | 140.123.1.15 |
| 10 | 2026-08-26 02:39 | 639233078065410564 |
|
1497 ms | 140.123.1.15 |
| 9 | 2026-08-26 02:22 | 639233067787457832 |
|
1652 ms | 140.123.1.15 |
| 8 | 2026-08-26 02:04 | 639233057501801162 |
|
821 ms | 140.123.1.15 |
| 7 | 2026-08-26 01:47 | 639233047089431703 |
|
801 ms | 140.123.1.15 |
| 6 | 2026-08-26 01:30 | 639233036754790688 |
|
1108 ms | 140.123.1.15 |
| 5 | 2026-08-26 01:13 | 639233026412602472 |
|
2511 ms | 140.123.1.15 |
| 4 | 2026-08-26 00:55 | 639233016064066127 |
|
786 ms | 140.123.1.15 |
| 3 | 2026-08-26 00:38 | 639233005922655772 |
|
834 ms | 140.123.1.15 |
| 2 | 2026-08-26 00:21 | 639232995672256907 |
|
2547 ms | 140.123.1.15 |
| 1 | 2026-08-26 00:04 | 639232985300872416 |
|
1188 ms | 140.123.1.15 |